Dog biscuit



FIG. 1 is a perspective view of the dog biscuit incorporating said design;

FIG. 2 is a top plan thereof, the bottom facing flat;

FIG. 3 is an end elevational view thereof, an opposite end elevational view thereof being the same;

FIG. 4 is a side elevational view thereof, an opposite side elevational view thereof being the same; and,

FIG. 5 is a sectioned view thereof on line 5--5 in FIG. 2. 

The ornamental design for a dog biscuit, as shown and described. 